Fix a bunch of Java Checkstyle issues.

tools/android/checkstyle/chromium-style-5.0.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN" "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
 
 <!--
   See installation instructions: https://sites.google.com/a/chromium.org/dev/checkstyle
 -->
 <module name="Checker">
   <property name="severity" value="warning"/>
   <property name="charset" value="UTF-8"/>
   <module name="TreeWalker">
@@ skipping 120 matching lines @@
     </module>
     <module name="NoWhitespaceAfter">
       <property name="severity" value="error"/>
       <property name="tokens" value="BNOT, DEC, DOT, INC, LNOT, UNARY_MINUS, UNARY_PLUS"/>
     </module>
     <module name="NoWhitespaceBefore">
       <property name="severity" value="error"/>
       <property name="allowLineBreaks" value="true"/>
       <property name="tokens" value="SEMI, DOT, POST_DEC, POST_INC"/>
     </module>
+    <module name="GenericWhitespace">
+      <property name="severity" value="error"/>
+      <message key="ws.followed"
+       value="GenericWhitespace ''{0}'' is followed by whitespace."/>
+       <message key="ws.preceded"
+       value="GenericWhitespace ''{0}'' is preceded with whitespace."/>
+       <message key="ws.illegalFollow"
+       value="GenericWhitespace ''{0}'' should followed by whitespace."/>
+       <message key="ws.notPreceded"
+       value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>
+    </module>
     <module name="EmptyStatement">
       <property name="severity" value="error"/>
     </module>
     <module name="NoFinalizer">
       <property name="severity" value="info"/>
     </module>
     <module name="ParenPad">
       <property name="severity" value="error"/>
     </module>
     <module name="MethodParamPad">
       <property name="severity" value="error"/>
     </module>
     <module name="ImportOrder">
       <property name="severity" value="error"/>
       <message key="import.ordering" value="Wrong order for {0} import. Use :JavaImportOrganize (ECLIM) or Ctrl+Shift+O (Eclipse) to sort imports"/>
       <property name="groups" value="android, com, dalvik, gov, junit, libcore, net, org, java, javax"/>
       <property name="ordered" value="true"/>
       <property name="option" value="top"/>
       <property name="separated" value="true"/>
     </module>
     <module name="Indentation">
       <property name="severity" value="error"/>
       <property name="basicOffset" value="4"/>
       <property name="throwsIndent" value="8"/>
       <property name="lineWrappingIndentation" value="8"/>
     </module>
     <!-- TODO(aurimas): make OperatorWrap into an error once all the warnings are fixed. -->
     <module name="OperatorWrap">
-      <property name="severity" value="warning"/>
+      <property name="severity" value="error"/>
       <property name="option" value="NL" />
       <property name="tokens" value="BAND, BOR, BSR, BXOR, DIV, EQUAL, GE, GT, LAND, LE, LITERAL_INSTANCEOF, LOR, LT, MINUS, MOD, NOT_EQUAL, PLUS, QUESTION, SL, SR, STAR " />
     </module>
     <module name="OperatorWrap">
-     <property name="severity" value="warning"/>
+     <property name="severity" value="error"/>
      <property name="option" value="eol"/>
      <property name="tokens" value="ASSIGN"/>
     </module>
     <module name="SeparatorWrap">
-      <property name="severity" value="warning"/>
+      <property name="severity" value="error"/>
       <property name="tokens" value="DOT"/>
       <property name="option" value="nl"/>
     </module>
     <module name="SeparatorWrap">
-      <property name="severity" value="warning"/>
+      <property name="severity" value="error"/>
       <property name="tokens" value="COMMA"/>
       <property name="option" value="EOL"/>
     </module>
   </module>
   <module name="FileTabCharacter">
     <property name="severity" value="error"/>
   </module>
   <module name="RegexpSingleline">
     <property name="severity" value="error"/>
     <property name="format" value="[ \t]+$"/>
     <property name="message" value="Trailing whitespace"/>
     </module>
   <module name="RegexpHeader">
     <property name="severity" value="error"/>
     <property name="header" value="^// Copyright 20\d\d The Chromium Authors. All rights reserved.$\n^// Use of this source code is governed by a BSD-style license that can be$\n^// found in the LICENSE file.$"/>
   </module>
 </module>